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The value of $\sin^{- 1} \{\cos (\frac{33 π}{5})\},$ is

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Correct option is D

We have, sin−1⁡cos⁡6π+3π5=sin−1⁡cos⁡3π5=sin−1⁡sin⁡π2−3π5=sin−1⁡sin⁡−π10=−π10

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The value of sin−1⁡cos⁡33π5, is

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The value of $\sin^{- 1} \{\cos (\frac{33 π}{5})\},$ is